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1
25 package com.yworks.yguard.obf;
26
27 import java.util.HashMap  ;
28 import java.util.Map ;
29
30
34 public abstract class NameMakerFactory
35 {
36
37
38 private static NameMakerFactory instance = new DefaultNameMakerFactory();
39
40
41 protected NameMakerFactory()
42 {}
43
44
48 public static NameMakerFactory getInstance()
49 {
50 return instance;
51 }
52
53
57 protected void setInstance(NameMakerFactory _instance)
58 {
59 instance = _instance;
60 }
61
62 public abstract NameMaker getPackageNameMaker(String [] reservedNames, String packageName);
63
64 public abstract NameMaker getClassNameMaker(String [] reservedNames, String packageName);
65
66 public abstract NameMaker getInnerClassNameMaker(String [] reservedNames, String packageName);
67
68 public abstract NameMaker getMethodNameMaker(String [] reservedNames, String fqClassName);
69
70 public abstract NameMaker getFieldNameMaker(String [] reservedNames, String fqClassName);
71
72 public static class DefaultNameMakerFactory extends NameMakerFactory{
73
74 private Map classNameMap = new HashMap ();
75 private Map fieldNameMap = new HashMap ();
76 private Map methodNameMap = new HashMap ();
77 private Map innerClassNameMap = new HashMap ();
78 private Map packageNameMap = new HashMap ();
79
80 public NameMaker getClassNameMaker(String [] reservedNames, String fqClassName)
81 {
82 NameMaker res = (NameMaker) classNameMap.get(fqClassName);
83 if (res == null){
84 res = createClassNameMaker(reservedNames, fqClassName);
85 classNameMap.put(fqClassName, res);
86 }
87 return res;
88 }
89
90 protected NameMaker createClassNameMaker(String [] reservedNames, String fqClassName){
91 return new KeywordNameMaker(reservedNames);
92 }
93
94 public NameMaker getFieldNameMaker(String [] reservedNames, String fqClassName)
95 {
96 NameMaker res = (NameMaker) fieldNameMap.get(fqClassName);
97 if (res == null){
98 res = createFieldNameMaker(reservedNames, fqClassName);
99 fieldNameMap.put(fqClassName, res);
100 }
101 return res;
102 }
103
104 protected NameMaker createFieldNameMaker(String [] reservedNames, String fqClassName){
105 return new KeywordNameMaker(reservedNames, false, true);
106 }
107
108 public NameMaker getInnerClassNameMaker(String [] reservedNames, String fqInnerClassName)
109 {
110 NameMaker res = (NameMaker) innerClassNameMap.get(fqInnerClassName);
111 if (res == null){
112 res = createInnerClassNameMaker(reservedNames, fqInnerClassName);
113 innerClassNameMap.put(fqInnerClassName, res);
114 }
115 return res;
116 }
117
118 protected NameMaker createInnerClassNameMaker(final String [] reservedNames, String fqInnerClassName){
119 final NameMaker inner = new KeywordNameMaker(null);
120 return new NameMaker(){
122 public String nextName(String sig){
123 while(true){
124 String name = '_' + inner.nextName(sig);
125 if (reservedNames == null || !Tools.isInArray(name, reservedNames)){
126 return name;
127 }
128 }
129 }
130 };
131 }
132
133 public NameMaker getMethodNameMaker(String [] reservedNames, String fqClassName)
134 {
135 NameMaker res = (NameMaker) methodNameMap.get(fqClassName);
136 if (res == null){
137 res = createMethodNameMaker(reservedNames, fqClassName);
138 methodNameMap.put(fqClassName, res);
139 }
140 return res;
141 }
142
143 protected NameMaker createMethodNameMaker(String [] reservedNames, String fqClassName){
144 return new KeywordNameMaker(reservedNames, false, true);
145 }
146
147 public NameMaker getPackageNameMaker(String [] reservedNames, String packageName)
148 {
149 NameMaker res = (NameMaker) packageNameMap.get(packageName);
150 if (res == null){
151 res = createPackageNameMaker(reservedNames, packageName);
152 packageNameMap.put(packageName, res);
153 }
154 return res;
155 }
156
157 protected NameMaker createPackageNameMaker(String [] reservedNames, String packageName){
158 return new KeywordNameMaker(reservedNames);
159 }
160
161 public String toString(){
162 return "default";
163 }
164 }
165 }
166 |
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